classifier
noun
clas·si·fi·er ˈkla-sə-ˌfī(-ə)r 
1
: one that classifies
specifically : a machine for sorting out the constituents of a substance (such as ore)
2
: a word or morpheme used with numerals or with nouns designating countable or measurable objects
Example Sentences
Recent Examples on the Web The facts in Li (undisputed by the whistleblower) were that the whistleblower’s submission was rejected by the WBO classifier and was never sent to the field. 
Dean Zerbe, Forbes, 17 Aug. 2022 But that’s a lot easier than building a classifier for something like hate speech. Nilay Patel, The Verge, 19 Jan. 2021 When applied experimentally on the United States, the classifier began flagging right-leaning publishers like the Daily Wire and Sinclair, former staffers say. Benjamin Wofford, Wired, 10 Mar. 2022 In January 2021, Kreamelmeyer, an International Paralympic Committee technical classifier who helps determine the competition class for new athletes and a former U.S. Paralympic coach, noticed a dull pain in his right leg. New York Times, 20 Mar. 2022 In the interim, Kaplan personally directed employees to investigate the civic spam classifier. Benjamin Wofford, Wired, 10 Mar. 2022 In one document from May 2020, an employee said a hate speech text classifier that was available wasn’t being used or maintained. NBC News, 18 Nov. 2021 In one document from May 2020, an employee said a hate speech text classifier that was available wasn’t being used or maintained. NBC News, 18 Nov. 2021 In one document from May 2020, an employee said a hate speech text classifier that was available wasn’t being used or maintained. NBC News, 18 Nov. 2021 See More
Dean Zerbe, Forbes, 17 Aug. 2022 But that’s a lot easier than building a classifier for something like hate speech. Nilay Patel, The Verge, 19 Jan. 2021 When applied experimentally on the United States, the classifier began flagging right-leaning publishers like the Daily Wire and Sinclair, former staffers say. Benjamin Wofford, Wired, 10 Mar. 2022 In January 2021, Kreamelmeyer, an International Paralympic Committee technical classifier who helps determine the competition class for new athletes and a former U.S. Paralympic coach, noticed a dull pain in his right leg. New York Times, 20 Mar. 2022 In the interim, Kaplan personally directed employees to investigate the civic spam classifier. Benjamin Wofford, Wired, 10 Mar. 2022 In one document from May 2020, an employee said a hate speech text classifier that was available wasn’t being used or maintained. NBC News, 18 Nov. 2021 In one document from May 2020, an employee said a hate speech text classifier that was available wasn’t being used or maintained. NBC News, 18 Nov. 2021 In one document from May 2020, an employee said a hate speech text classifier that was available wasn’t being used or maintained. NBC News, 18 Nov. 2021 See More Word History
First Known Use
1799, in the meaning defined at sense 1